Ingredients

  • 1 cup butter, softened
  • 2 cups dark brown sugar, packed
  • 2 eggs
  • 2 tsp. vanilla extract
  • 1 tsp. powdered instant coffee
  • 3 cups quick-cooking oats
  • 2-1/2 cup all-purpose flour
  • 1 tsp. baking soda
  • 1/2 tsp. salt
  • 1-1/2 cup toasted walnuts, chopped
  • 1 tbsp. butter
  • 4 oz. unsweetened baking chocolate, broken into pieces
  • 1/2 cup sugar
  • 1 can (14 oz.) sweetened condensed milk
  • 2 tsp. vanilla extract

Method

  • Preheat oven to 350F.
  • Beat together butter and brown sugar until creamy.
  • Add eggs, vanilla and instant coffee.
  • Beat well.
  • Stir together oats, flour, baking soda, salt and 1 cup walnuts.
  • Gradually add oat mixture to butter mixture, beating well until blended (batter will be stiff, stir by hand if necessary at this point).
  • Remove 2 cups of the dough and set aside.
  • Press remaining dough into bottom of 15-1/2x10-1/2-inch jelly roll pan.
  • Filling: In medium saucepan over low heat, melt butter.
  • Add chocolate.
  • Cook, stirring, until smooth.
  • Stir in sugar and sweetened condensed milk.
  • Cook, stirring constantly, until mixture thickens and sugar is dissolved.
  • Remove from heat.
  • Stir in vanilla.
  • Spread chocolate filling over crust in jelly roll pan.
  • Sprinkle reserved dough over filling.
  • Sprinkle remaining 1/2 cup walnuts over all.
  • Bake 25 minutes or until top is golden brown.
  • Cool completely in pan on wire rack.
  • Serve cut into bars.